This DELPHI Air Mass Flow (MAF) Sensor, part number AF10544-12B1, is designed to accurately measure the volume and density of air entering your vehicle's engine. This critical data is then sent to the engine control unit (ECU) to determine the precise amount of fuel needed for optimal combustion. By providing accurate airflow readings, this MAF sensor helps to ensure your engine runs efficiently, leading to improved fuel economy and reduced emissions. A malfunctioning MAF sensor can cause various drivability issues, including rough idling, hesitation, stalling, and poor acceleration. Replacing a faulty sensor with this genuine DELPHI part can restore your vehicle's performance and reliability. DELPHI is a trusted name in automotive components, known for producing high-quality parts that meet or exceed original equipment specifications. This AF10544-12B1 sensor is built to withstand the demanding conditions within the engine bay, offering durability and long-lasting performance.